28426983

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 43411200

約数和(自身を除く): 14984217

約数列:

[1, 3, 13, 19, 39, 57, 169, 227, 247, 507, 681, 741, 2197, 2951, 3211, 4313, 6591, 8853, 9633, 12939, 38363, 41743, 56069, 115089, 125229, 168207, 498719, 728897, 1496157, 2186691, 9475661, 28426983]

約数ペア:

[(1, 28426983), (3, 9475661), (13, 2186691), (19, 1496157), (39, 728897), (57, 498719), (169, 168207), (227, 125229), (247, 115089), (507, 56069), (681, 41743), (741, 38363), (2197, 12939), (2951, 9633), (3211, 8853), (4313, 6591)]